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大连市农科所通过杂交育成一个极早熟大粒葡萄新品种——凤凰51号。该品种极早熟,从开花到果完熟仅需60天,在大连7月下旬至8月上旬成熟;在河北石家庄7月8日开始上市,7月18日全部成熟采收。座果率高,果穗紧密,穗大整齐,平均穗重400克左右,最大穗重1200克以上,果粒较大,平均7.1克;水肥管理好时8～10克;最大粒重14.3克;紫玫瑰红色,圆至扁圆形,多汁,甜酸适口,有较浓的玫瑰香味。
Dalian Institute of Agricultural Sciences through breeding into a very early maturing new varieties of large grapes - Phoenix No. 51. The variety is very early maturing, only 60 days from flowering to fruit maturity, mature in late July to early August in Dalian; Shijiazhuang in Hebei began listing on July 8, July 18 all mature harvesting. Fruit rate is high, the ear is close, spike large neat, the average spike weight of about 400 grams, the largest spike weight of more than 1200 grams, large fruit, an average of 7.1 grams; water and fertilizer management good 8 to 10 grams; maximum grain weight 14.3 grams; Purple rose red, round to flat round, juicy, sweet and sour taste, a thick rose scent.